+++ /dev/null
-/* $Id$ */
-
-/* ping - ping/pong demo of GRAS features */
-
-/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-
-#include "gras.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(Ping,"Messages specific to this example");
-
-/* **********************************************************************
- * Comon code
- * **********************************************************************/
-
-typedef struct {
- int dummy;
-} msg_ping_t;
-
-/* Function prototypes */
-void register_messages(void);
-
-/* Code */
-void register_messages(void) {
-
- gras_msgtype_declare("ping", gras_datadesc_by_name("int"));
- gras_msgtype_declare("pong", gras_datadesc_by_name("int"));
-}
-
-/* **********************************************************************
- * Server code
- * **********************************************************************/
-
-/* Global private data */
-typedef struct {
- gras_socket_t sock;
- int endcondition;
-} server_data_t;
-
-/* Function prototypes */
-int server_cb_ping_handler(gras_socket_t expeditor,
- void *payload_data);
-int server (int argc,char *argv[]);
-
-
-int server_cb_ping_handler(gras_socket_t expeditor,
- void *payload_data) {
-
- xbt_error_t errcode;
- int msg=*(int*)payload_data;
- gras_msgtype_t *pong_t=NULL;
-
- server_data_t *g=(server_data_t*)gras_userdata_get();
-
- g->endcondition = 0;
- INFO3("SERVER: >>>>>>>> Got message PING(%d) from %s:%d <<<<<<<<",
- msg,
- gras_socket_peer_name(expeditor),
- gras_socket_peer_port(expeditor));
-
- msg = 4321;
- errcode = gras_msg_send(expeditor, gras_msgtype_by_name("pong"), &msg);
-
- if (errcode != no_error) {
- ERROR1("SERVER: Unable answer with PONG: %s\n", xbt_error_name(errcode));
- gras_socket_close(g->sock);
- return 1;
- }
-
- INFO0("SERVER: >>>>>>>> Answed with PONG(4321) <<<<<<<<");
- g->endcondition = 1;
- gras_socket_close(expeditor);
- return 1;
-}
-
-int server (int argc,char *argv[]) {
- xbt_error_t errcode;
- server_data_t *g;
- gras_msgtype_t *ping_msg=NULL;
-
- int port = 4000;
-
- gras_init(&argc,argv, NULL);
- g=gras_userdata_new(server_data_t);
-
- if (argc == 2) {
- port=atoi(argv[1]);
- }
-
- INFO1("Launch server (port=%d)", port);
-
- if ((errcode=gras_socket_server(port,&(g->sock)))) {
- CRITICAL1("Error %s encountered while opening the server socket",
- xbt_error_name(errcode));
- return 1;
- }
-
- register_messages();
- register_messages();
- gras_cb_register(gras_msgtype_by_name("ping"),&server_cb_ping_handler);
-
- INFO1("SERVER: >>>>>>>> Listening on port %d <<<<<<<<",
- gras_socket_my_port(g->sock));
- g->endcondition=0;
-
- errcode = gras_msg_handle(600.0);
- if (errcode != no_error)
- return errcode;
- if (g->endcondition)
-
- if (!gras_if_RL())
- gras_os_sleep(1,0);
-
- gras_socket_close(g->sock);
- free(g);
- gras_exit();
- INFO0("SERVER: Done.");
- return no_error;
-}
-
-/* **********************************************************************
- * Client code
- * **********************************************************************/
-
-/* Global private data */
-typedef struct {
- gras_socket_t sock;
-} client_data_t;
-
-/* Function prototypes */
-int client (int argc,char *argv[]);
-
-int client(int argc,char *argv[]) {
- xbt_error_t errcode;
- client_data_t *g;
-
- gras_socket_t from;
- int ping, pong;
-
- const char *host = "127.0.0.1";
- int port = 4000;
-
- gras_init(&argc, argv, NULL);
- g=gras_userdata_new(client_data_t);
-
- if (argc == 3) {
- host=argv[1];
- port=atoi(argv[2]);
- }
-
- INFO2("Launch client (server on %s:%d)",host,port);
- gras_os_sleep(1,0); /* Wait for the server startup */
- if ((errcode=gras_socket_client(host,port,&(g->sock)))) {
- ERROR1("Client: Unable to connect to the server. Got %s",
- xbt_error_name(errcode));
- return 1;
- }
- INFO2("Client: Connected to %s:%d.",host,port);
-
-
- register_messages();
-
- INFO2("Client: >>>>>>>> Connected to server which is on %s:%d <<<<<<<<",
- gras_socket_peer_name(g->sock),gras_socket_peer_port(g->sock));
-
- ping = 1234;
- errcode = gras_msg_send(g->sock, gras_msgtype_by_name("ping"), &ping);
- if (errcode != no_error) {
- fprintf(stderr, "Client: Unable send PING to server (%s)\n",
- xbt_error_name(errcode));
- gras_socket_close(g->sock);
- return 1;
- }
- INFO3("Client: >>>>>>>> Message PING(%d) sent to %s:%d <<<<<<<<",
- ping,
- gras_socket_peer_name(g->sock),gras_socket_peer_port(g->sock));
-
- if ((errcode=gras_msg_wait(6000,gras_msgtype_by_name("pong"),
- &from,&pong))) {
- ERROR1("Client: Why can't I get my PONG message like everyone else (%s)?",
- xbt_error_name(errcode));
- gras_socket_close(g->sock);
- return 1;
- }
-
- INFO3("Client: >>>>>>>> Got PONG(%d) got from %s:%d <<<<<<<<",
- pong,
- gras_socket_peer_name(from),gras_socket_peer_port(from));
-
- gras_socket_close(g->sock);
- free(g);
- gras_exit();
- INFO0("Client: Done.");
- return 0;
-}
